<?php // $Id: edit.php,v 1.6.2.2 2008/11/30 19:25:49 skodak Exp $

	require_once('../config.php');
	require_once('lib.php');
	require_once('edit_form.php');

/// retrieve parameters
	$noteid = optional_param('id', 0, PARAM_INT);

	if ($noteid) {
		//existing note
		if (!$note = note_load($noteid)) {
			print_error('invalidid', 'notes');
		}

	} else {
		// adding new note
		$courseid = required_param('courseid', PARAM_INT);
		$userid   = required_param('userid', PARAM_INT);
		$state	= optional_param('publishstate', NOTES_STATE_PUBLIC, PARAM_ALPHA);

		$note = new object();
		$note->courseid	 = $courseid;
		$note->userid	   = $userid;
		$note->publishstate = $state;
	}

/// locate course information
	if (!$course = get_record('course', 'id', $note->courseid)) {
		error('Incorrect course id found');
	}

/// locate user information
	if (!$user = get_record('user', 'id', $note->userid)) {
		error('Incorrect user id found');
	}

/// require login to access notes
	require_login($course);

/// locate context information
	$context = get_context_instance(CONTEXT_COURSE, $course->id);
	require_capability('moodle/notes:manage', $context);

	if (empty($CFG->enablenotes)) {
		print_error('notesdisabled', 'notes');
	}

/// create form
	$noteform = new note_edit_form();

/// set defaults
	$noteform->set_data($note);

/// if form was cancelled then return to the notes list of the note
	if ($noteform->is_cancelled()) {
		redirect($CFG->wwwroot . '/notes/index.php?course=' . $note->courseid . '&amp;user=' . $note->userid);
	}

/// if data was submitted and validated, then save it to database
	if ($note = $noteform->get_data()){
		if (note_save($note)) {
			add_to_log($note->courseid, 'notes', 'update', 'index.php?course='.$note->courseid.'&amp;user='.$note->userid . '#note-' . $note->id, 'update note');
		}
		// redirect to notes list that contains this note
		redirect($CFG->wwwroot . '/notes/index.php?course=' . $note->courseid . '&amp;user=' . $note->userid);
	}

	if ($noteid) {
		$strnotes = get_string('editnote', 'notes');
	} else {
		$strnotes = get_string('addnewnote', 'notes');
	}

/// output HTML
	$nav = array();
	if (has_capability('moodle/course:viewparticipants', $context) || has_capability('moodle/site:viewparticipants', get_context_instance(CONTEXT_SYSTEM))) {
		$nav[] = array('name' => get_string('participants'), 'link' => $CFG->wwwroot . '/user/index.php?id=' . $course->id, 'type' => 'misc');
	}
	$nav[] = array('name' => fullname($user), 'link' => $CFG->wwwroot . '/user/view.php?id=' . $user->id. '&amp;course=' . $course->id, 'type' => 'misc');
	$nav[] = array('name' => get_string('notes', 'notes'), 'link' => $CFG->wwwroot . '/notes/index.php?course=' . $course->id . '&amp;user=' . $user->id, 'type' => 'misc');
	$nav[] = array('name' => $strnotes, 'link' => '', 'type' => 'activity');

	print_header($course->shortname . ': ' . $strnotes, $course->fullname, build_navigation($nav));

	print_heading(fullname($user));

	$noteform->display();
	print_footer();
?>
